coolrunner.dk

📜 Historical scan 2026-09-27 11:07:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

coolrunner.dk is a .dk domain served by 4 nameservers (ns-1513.awsdns-61.org, ns-1875.awsdns-42.co.uk, ns-74.awsdns-09.com and 1 more). It was registered on 17 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.55 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by coolrunner-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1513.awsdns-61.org	205.251.197.233 2600:9000:5305:e900::1	ns-1513.awsdns-61.org ns-1513.awsdns-61.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1875.awsdns-42.co.uk	205.251.199.83 2600:9000:5307:5300::1	ns-1875.awsdns-42.co.uk ns-1875.awsdns-42.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-74.awsdns-09.com	205.251.192.74 2600:9000:5300:4a00::1	ns-74.awsdns-09.com ns-74.awsdns-09.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-841.awsdns-41.net	205.251.195.73 2600:9000:5303:4900::1	ns-841.awsdns-41.net ns-841.awsdns-41.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

4 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.174.18.55	60s	server-3-174-18-55.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.7	60s	server-3-174-18-7.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.73	60s	server-3-174-18-73.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—
3.174.18.78	60s	server-3-174-18-78.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	3.128.0.0/10	🇺🇸 United States	—

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	coolrunner-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::28 2a01:111:f403:ca21::8 2a01:111:f403:ca38::8 52.101.209.153 52.101.209.28 52.101.91.153 52.101.91.156	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	coolrunner.dk → 3.174.18.7

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 95ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 248ms

TXT Record
postman-domain-verification=efe2e8f22bc1fa5804ac74acc64cec8b5f56a00a8dc0c7281d6e93afffbda8764800445750cd223e228af8376a7dc98a1adf52e17e797a825cdb7e7310c9f8a1 google-site-verification=kVp5_swcMmAJeLS6BgJq1YPQYmq1dY-lVsACjudXUtI
v=spf1 include:spf.protection.outlook.com include:spf.itsecurity.dk include:spf.mailjet.com ip4:62.199.219.6 ip4:159.183.105.14 ip4:167.89.79.166 ip4:168.245.38.114 include:mail.zendesk.com include:emsd1.com ~all include:8403585.spf08.hubspotemail.net

✉️ SPF#

Policy	Record (coolrunner.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.itsecurity.dk include:spf.mailjet.com ip4:62.199.219.6 ip4:159.183.105.14 ip4:167.89.79.166 ip4:168.245.38.114 include:mail.zendesk.com include:emsd1.com ~all include:8403585.spf08.hubspotemail.net

📨 DMARC#

Policy	Record (_dmarc.coolrunner.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:it@coolrunner.dk; ruf=mailto:it@coolrunner.dk; fo=1;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 21:36:19

www CNAME	d1edci5uzq0jiq.cloudfront.net (all on cloudfront.net) → 3.174.18.55 3.174.18.7 3.174.18.73 3.174.18.78 2600:9000:28e5:1c00:1b:8312:3480:93a1 2600:9000:28e5:7600:1b:8312:3480:93a1 2600:9000:28e5:7a00:1b:8312:3480:93a1 2600:9000:28e5:800:1b:8312:3480:93a1 (AS16509)
www vs bare domain	Same network coolrunner.dk: 3.174.18.55 3.174.18.7 3.174.18.73 3.174.18.78 (AS16509) www.coolrunner.dk: 3.174.18.55 3.174.18.7 3.174.18.73 3.174.18.78 (AS16509)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u6661165.wl166.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u6661165.wl166.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-coolrunner-dk._domainkey.coolrunner.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.coolrunner.dk	coolrunner.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

115ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1875.awsdns-42.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-15 05:45:07

Field	Value
Registrar	Abion AB
Registered	2015-02-17
Expires	2027-02-28 (134d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
coolpay.dk	Abion AB
crdev.dk	Abion AB
hrnr.dk	Abion AB

📋 WHOIS#

⏱️ Lookup Timing#

52ms

46ms

66ms

AAAA

47ms

TXT

248ms

CAA

48ms

HTTPS

48ms

TLSA

703ms

SOA

0ms

MTA-STS

112ms

DNSSEC

115ms

SRV

95ms

Total

4090ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 03:46:02	3455ms	4 NS 4 A 1 MX	🔓 Insecure
2026-09-30 15:52:25	1026ms	4 NS 4 A 1 MX	🔓 Insecure
2026-09-27 11:07:26 shown	4090ms	4 NS 4 A 1 MX	🔓 Insecure
2026-08-27 03:46:31	4266ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-28 06:31:35	2558ms	4 NS 4 A 1 MX	🔓 Insecure
2026-06-16 22:16:51	1005ms	4 NS 4 A 1 MX	🔓 Insecure